The Mineral arsenic. Arsenic almost always contains some antimony. Nickel, silver, iron, and sulfur are also commonly found in a given specimen. On a fresh or preserved surface, Arsenic has a tin-white color, but otherwise tarnishes dark gray. Arsenic and Antimony are almost identical.

Typical findings include: How is chronic arsenic poisoning diagnosed? Arsenic can be measured in blood and urine samples. Hair and nail samples may detect arsenic if exposure was only recently ceased. Skin biopsy of arsenical keratoses show hyperkeratosis and papillomatosis, usually with no cellular atypia.

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One clue that you have arsenic poisoning is to look at your fingernails. You see, this element has an affinity for keratin. And keratin is found in your fingernails. So the poison can accumulate there and cause a visual symptom on the nail bed. This presents as horizontal, white bands across the nails.

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arsenic (As), a chemical element in the nitrogen group (Group 15 [Va] of the periodic table), existing in both gray and yellow crystalline forms. atomic number 33 atomic weight 74.921595 melting point (gray form) 814 °C (1,497 °F) at 36 atmospheres pressure density (gray form) 5.73 g/cm3 at 14 °C (57 °F) (yellow form) 2.03 g/cm3 at 18 °C (64 °F) …